Mop



FIG. 1 is a front view showing my new design for a mop;

FIG. 2 is a back view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a perspective view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a top view thereof.

The portions shown in broken lines are not part of the claimed design but show the environment in which the design is associated. The dashed boundary line of FIG. 2 delineates the unclaimed back of the mop. 

CLAIM I claim the ornamental design for a mop, as shown and described. 